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Date: Thu, 22 Nov 2012 14:12:47 -0200
From: Fabio Estevam <fabio.estevam@...escale.com>
To: <kernel@...gutronix.de>
CC: <javier.martin@...ta-silicon.com>, <linux-kernel@...r.kernel.org>,
Fabio Estevam <fabio.estevam@...escale.com>
Subject: [PATCH v4 1/3] ARM: imx27_visstrim_m10: Do not reserve DMA pools on board file
Do not reserve DMA pools on board file as this can be done via CMA.
The motivation for doing this is to allow to register the VPU driver via a common
SoC file instead of per board.
Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
---
This applies against 20121115 linux-next.
Changes since v3:
- Remove all the DMA pools
Changes since v2:
- No changes. Newly introduced on this series
arch/arm/mach-imx/mach-imx27_visstrim_m10.c | 66 ++-------------------------
1 file changed, 3 insertions(+), 63 deletions(-)
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
index b744226..914b2f8 100644
--- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
+++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
@@ -30,7 +30,6 @@
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/delay.h>
-#include <linux/dma-mapping.h>
#include <linux/leds.h>
#include <linux/platform_data/asoc-mx27vis.h>
#include <media/soc_camera.h>
@@ -39,7 +38,6 @@
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/system_info.h>
-#include <asm/memblock.h>
#include "common.h"
#include "devices-imx27.h"
@@ -234,14 +232,8 @@ static struct mx2_camera_platform_data visstrim_camera = {
.clk = 100000,
};
-static phys_addr_t mx2_camera_base __initdata;
-#define MX2_CAMERA_BUF_SIZE SZ_8M
-
static void __init visstrim_camera_init(void)
{
- struct platform_device *pdev;
- int dma;
-
gpio_set_value(TVP5150_PWDN, 1);
ndelay(1);
gpio_set_value(TVP5150_RSTN, 0);
@@ -249,23 +241,7 @@ static void __init visstrim_camera_init(void)
gpio_set_value(TVP5150_RSTN, 1);
ndelay(200000);
- pdev = imx27_add_mx2_camera(&visstrim_camera);
- if (IS_ERR(pdev))
- return;
-
- dma = dma_declare_coherent_memory(&pdev->dev,
- mx2_camera_base, mx2_camera_base,
- MX2_CAMERA_BUF_SIZE,
- DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
- if (!(dma & DMA_MEMORY_MAP))
- return;
-}
-
-static void __init visstrim_reserve(void)
-{
- /* reserve 4 MiB for mx2-camera */
- mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE,
- MX2_CAMERA_BUF_SIZE);
+ imx27_add_mx2_camera(&visstrim_camera);
}
/* GPIOs used as events for applications */
@@ -434,47 +410,12 @@ static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
.flags = IMX_SSI_DMA | IMX_SSI_SYN,
};
-/* coda */
-
-static void __init visstrim_coda_init(void)
-{
- struct platform_device *pdev;
- int dma;
-
- pdev = imx27_add_coda();
- dma = dma_declare_coherent_memory(&pdev->dev,
- mx2_camera_base + MX2_CAMERA_BUF_SIZE,
- mx2_camera_base + MX2_CAMERA_BUF_SIZE,
- MX2_CAMERA_BUF_SIZE,
- DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
- if (!(dma & DMA_MEMORY_MAP))
- return;
-}
-
/* DMA deinterlace */
static struct platform_device visstrim_deinterlace = {
.name = "m2m-deinterlace",
.id = 0,
};
-static void __init visstrim_deinterlace_init(void)
-{
- int ret = -ENOMEM;
- struct platform_device *pdev = &visstrim_deinterlace;
- int dma;
-
- ret = platform_device_register(pdev);
-
- dma = dma_declare_coherent_memory(&pdev->dev,
- mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
- mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
- MX2_CAMERA_BUF_SIZE,
- DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
- if (!(dma & DMA_MEMORY_MAP))
- return;
-}
-
-
/* Audio */
static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = {
.amp_gain0_gpio = AMP_GAIN_0,
@@ -546,9 +487,9 @@ static void __init visstrim_m10_board_init(void)
platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
&iclink_tvp5150, sizeof(iclink_tvp5150));
gpio_led_register_device(0, &visstrim_m10_led_data);
- visstrim_deinterlace_init();
+ platform_device_register(&visstrim_deinterlace);
visstrim_camera_init();
- visstrim_coda_init();
+ imx27_add_coda();
}
static void __init visstrim_m10_timer_init(void)
@@ -562,7 +503,6 @@ static struct sys_timer visstrim_m10_timer = {
MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
.atag_offset = 0x100,
- .reserve = visstrim_reserve,
.map_io = mx27_map_io,
.init_early = imx27_init_early,
.init_irq = mx27_init_irq,
--
1.7.9.5
--
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